“Thus, we evaluated (a) the effects of bile acids (0–200 μmol L−… lymphocyte reduced glutathione content and malondialdehyde production and (b) the ability of antioxidants to prevent the … effect of chenodeoxycholic acid on interferon‐induced lymphocyte 2′,5′‐oligoadenylate synthetase …, an index of the biological activity of interferon.”